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CVE-2016-3996

21
FAUCET Score

CVE-2016-3996 describes a vulnerability in Samsung KNOX versions 1.0.0 and 2.3.0, where the ClipboardDataMgr component fails to properly validate the caller. This flaw allows a local attacker, via a specially crafted application, to read sensitive clipboard data within the KNOX environment. Rated as MEDIUM severity (CVSS 5.5), exploitation requires local access and user interaction (UI:R), leading to a high confidentiality impact (C:H) without affecting integrity or availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.0CPE matchmatch criteria
cpe:2.3:a:samsung:knox:1.0:*:*:*:*:*:*:*
2.3.0CPE matchmatch criteria
cpe:2.3:a:samsung:knox:2.3.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.5MEDIUM

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.22%
Probability of exploitation in next 30 days
EPSS Percentile
65.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0122 is in the 76th percentile among its peer group of 5,765 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

packetstormsecurity.com / files/136710/KNOX-2.3-Clipboard-Data-Disclosure.html
Third Party AdvisoryVDB Entry
securityfocus.com / archive/1/538113/100/0/threaded